public constantType(string lex, Lexer.Symbol token, int dpth, constantType cd) : base(lex, token, dpth)
{
Value = cd.Value;
ValueR = cd.ValueR;
Offset = cd.Offset;
TypeOfConstant = cd.TypeOfConstant;
}
//inserts into symbol table after going through checks
public void insert(string lex, Lexer.Symbol token, int dpth, EntryType et, VarType vt, LinkedList <parameterType> p = null, constantType c = null)
{
int key = hash(lex);
bool found = false;
foreach (var i in symTable)
{
if (i != null)
{
foreach (var j in i)
{
if (j.Lexeme == lex && j.depth == dpth)
{
found = true;
}
}
}
}
if (found)
{
Console.WriteLine($"Error Found: {lex} already exits at depth: {dpth}");
Console.ReadLine();
Environment.Exit(0);
}
else
{
if (symTable[key] == null)
{
symTable[key] = new LinkedList <symTableRecord>();
}
switch (et)
{
case EntryType.varEntry:
symTable[key].AddFirst(new varType(lex, token, dpth, vt, calcVarOffset(dpth)));
break;
case EntryType.constEntry:
symTable[key].AddFirst(new constantType(lex, token, dpth, c));
break;
case EntryType.functionEntry:
symTable[key].AddFirst(new functionType(lex, token, dpth, vt, p));
break;
case EntryType.parameterEntry:
int totalOffset = 0;
for (int i = 0; i < TableSize; i++)
{
if (symTable[i] != null)
{
var TsymTable = new LinkedList <symTableRecord>(symTable[i]);
foreach (parameterType item in TsymTable.OfType <parameterType>())
{
if (item.depth == dpth)
{
totalOffset = item.Size + totalOffset;
}
}
}
}
symTable[key].AddFirst(new parameterType(lex, dpth, vt, totalOffset));
break;
}
}
}